Verified by manufacturer 4 months ago
British Woodworking Federation
Certificate type
UKAS
Certificate type
BRE Certificate
Certificate type
Timber Heritage Sash Window with U-value of 1.12 W/m²K. Heritage Sliding Sash Windows for listed properties or those in conservation areas.
Suitable for listed properties or those in conservation areas, due to their thin sections, traditional ironmongery and ultra-slim vacuum glazing.
A range of timber heritage sash windows designed to incorporate a number of traditional features but utilizing modern design and materials, and also able to deliver a high performance.
A modern, efficient heritage sliding sash window which is an alternative to slim double glazing.
Features and benefits:
Color | Beige Black Blue Bronze Brown |
Finish | Painted Stained |
Material | Wood |
Shape | Rectangle Square Other |
Length | Bespoke |
Width | Bespoke |
Height | Bespoke |
Warranty description | Eight year Guidance for specification option: 5–8 year no maintenance stain warranty. Ten year Guidance for specification option:
|
Uniclass | |
CAWS | L10/10 Wood windows L10/210 Wood windows |
Product range |
Standard | To EN 14351. |
Product performance | |
Fire performance | |
Fire egress | Yes. |
Weather performance | |
UK exposure category | To BS 6375-1, 1600 Pa. |
Air permeability | To BS 6375-1, Class 4. |
Watertightness | To BS 6375-1, Class A5. |
Resistance to wind load | To BS 6375-1, Class C3. |
Durability | |
Operation and strength characteristics | To BS 6375-2. |
Environmental | |
Background ventilation | Yes. |
Acoustic performance rating | 39 dB.Guidance for specification option: Vacuum insulating glass unit, 4 mm/0.3 mm/4 mm. Manufacturer guidanceA range of acoustic, obscure, and solar control insulating glass units are also available; consult manufacturer. |
Thermal | |
Whole window U-value | 1.12 W/m²K, vacuum double glazed. |
Frame | |
Standard | To BS EN 942. |
Profile | Lambs Tongue beading and bar profiles. Bead mould to internal and external outer linings. |
Wood species | Accoya. |
Chain of custody | FSC. |
Appearance class | For opaque finishing: to BS EN 942, J10 for glazing beads, drip mouldings and the like. J40 or better for all other members. |
Finish as delivered | Factory applied Sirca paint, submerged prime coat, sprayed top coat.Guidance for specification option: Three coats of factory applied Sirca paint, one coat submerged prime coat, two coats sprayed top coats. Any colour available, finish to 30% sheen. |
Ventilator | Yale SlotVent 2500EA.Yale SlotVent 4000EA.Yale SlotVent 5000EA. |
Frame horns | Bottom sash: 75 mm Victorian horn.Bottom sash: No horn.Top sash: 75 mm Victorian horn.Top sash: No horn. |
Glazing or infill | |
Standard | Relevant parts of BS EN 1279. |
Requirements | 4 mm Low E internal glass, 0.3 mm vacuum cavity, 4 mm clear external glass.Guidance for specification option: Toughened as standard. Applied glazing bars as necessary, no bonded bars due to thin cavity. |
Hardware | Spiral Balanced: Aged Brass - two Globe fitch catch; two sash lifts; two angel locks with stops.Spiral Balanced: Black - two Globe fitch catch; two sash lifts; two angel locks with stops.Spiral Balanced: Brushed chrome - two Globe fitch catch; two sash lifts; two angel locks with stops.Spiral Balanced: Polished Brass - two Globe fitch catch; two sash lifts; two angel locks with stops.Spiral Balanced: Satin chrome - two Globe fitch catch; two sash lifts; two angel locks with stops.Weights and Pulleys: Aged Brass - four pulley wheels; two Globe fitch catch; two sash lifts; two angel locks with stops.Weights and Pulleys: Black - four pulley wheels; two Globe fitch catch; two sash lifts; two angel locks with stops.Weights and Pulleys: Brushed chrome - four pulley wheels; two Globe fitch catch; two sash lifts; two angel locks with stops.Weights and Pulleys: Polished Brass - four pulley wheels; two Globe fitch catch; two sash lifts; two angel locks with stops.Weights and Pulleys: Satin chrome - four pulley wheels; two Globe fitch catch; two sash lifts; two angel locks with stops. |
Operation | |
Type | Spiral balanced with concealed balances.Weights and pulleys. |
Colour: | Beige. Black. Blue. Bronze. Brown. |
Weather seal (factory applied) | Double gasketing system included as standard. |
Glazing bars | 18 mm Heritage extended in grid, mechanically fixed to sash prior to spray. Guidance for specification option: Arched, gothic, marginal, and bespoke patterns available. Consult manufacturer and insert requirements. |
Contains Red List materials | No |
Country of material origin | New Zealand Manufacturer guidanceTimber - New Zealand Glazing - China |
Country of product manufacture | United Kingdom |
Material | Wood |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 107.80 kg CO₂ eq/kg Self declared Manufacturer guidanceEmbodied carbon A1-A3 (cradle to gate) as defined in BS EN 15804: 92.70 kg CO₂ eq/kg for Hardwood window industry standard window size Embodied carbon A1-A5 (cradle to install) as defined in BS EN 15804: 107.80 kg CO₂ eq/kg for Hardwood window industry standard window size Embodied carbon A1-D (cradle to grave) as defined in BS EN 15804: Negative 10,019.29 kg CO₂ eq/kg for Hardwood window industry standard window size |
Recyclability | 100% |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 5 % |
NBS BIM Object Standard
This BIM object has been authored to meet the requirements of the NBS BIM Object Standard.
Find out more about the NBS BIM Object Standard.
Platform | Compatible | Version |
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- | 1 | |
- | 1 |